RSS readers, the wave of the future a few years ago, are now basically toast, thanks largely (we think) to Twitter, Facebook, and other forms of social media (especially Twitter).
Source:businessinsider.com
RSS readers were unlikely to go truly mainstream anyway, because they're too complicated for mass-market consumers. And now much of the early adopter market that was addicted to them a few years ago has since moved on to Twitter, et al.
Some folks report that they use their RSS readers even MORE in the age of Twitter, because the jumbled 140 character thing is just too shallow and chaotic. Others actually read Twitter via RSS readers.
